| //===-- xray_powerpc64.inc --------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is a part of XRay, a dynamic runtime instrumentation system. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <cstdint> |
| #include <mutex> |
| #ifdef __linux__ |
| #include <sys/platform/ppc.h> |
| #elif defined(__FreeBSD__) |
| #include <sys/types.h> |
| #include <sys/sysctl.h> |
| |
| #define __ppc_get_timebase __builtin_ppc_get_timebase |
| |
| uint64_t __ppc_get_timebase_freq (void) |
| { |
| uint64_t tb_freq = 0; |
| size_t length = sizeof(tb_freq); |
| sysctlbyname("kern.timecounter.tc.timebase.frequency", &tb_freq, &length, nullptr, 0); |
| return tb_freq; |
| } |
| #endif |
| |
| #include "xray_defs.h" |
| |
| namespace __xray { |
| |
| ALWAYS_INLINE uint64_t readTSC(uint8_t &CPU) XRAY_NEVER_INSTRUMENT { |
| CPU = 0; |
| return __ppc_get_timebase(); |
| } |
| |
| inline uint64_t getTSCFrequency() XRAY_NEVER_INSTRUMENT { |
| static std::mutex M; |
| std::lock_guard<std::mutex> Guard(M); |
| return __ppc_get_timebase_freq(); |
| } |
| |
| inline bool probeRequiredCPUFeatures() XRAY_NEVER_INSTRUMENT { |
| return true; |
| } |
| |
| } // namespace __xray |